<project>
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>grandchildtest</groupId>
    <artifactId>root-pom</artifactId>
    <version>1</version>
  </parent>
  <artifactId>child</artifactId>
  <packaging>pom</packaging>
  <modules>
    <module>grandchild</module>
  </modules>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>grandchildtest</groupId>
  <artifactId>root-pom</artifactId>
  <version>1</version>
  <packaging>pom</packaging>

<project>
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>grandchildtest</groupId>
    <artifactId>child</artifactId>
    <version>1</version>
  </parent>
  <artifactId>grandchild</artifactId>